Hey guys, I'm looking for something like this but with the proprietary samsung usb connector for my memoir:

http://ep.yimg.com/ca/I/pcpartscollection_2066_24301850

What I'm trying to do is connect a mini-usb to 3.5 mm aux jack adapter AND a usb data cable (to charge my phone) to my phone so i can listen to my mp3s from my phone in my car using my stereo (my stereo has an AUX jack and a USB port for mp3 players) and charge my phone at the same time, is there even something like that out there? i've been searching for a few hours and no cigar, only units for other phones

Halp!!!